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Aniline

CAS Number
62-53-3
EC Number
200-539-3
Chemical Formula
C6H7N
Molecular Weight
93.13 g/mol

Description

Aniline (CAS 62-53-3 ), also known historically as Kyanol, is a primary aromatic amine that serves as a foundational building block across dye manufacturing, polymer chemistry, and rubber processing. Its reactivity toward electrophiles and isocyanates makes it a critical intermediate in producing finished industrial materials rather than an end product in itself. In polyurethane production, aniline reacts with formaldehyde to form MDA. This serves as the precursor to MDI, one of the highest-volume isocyanates used in rigid foam and elastomer manufacturing. Textile and leather processors rely on aniline-derived dyes and azo pigments for stable coloration. These pigments achieve deep, stable coloration on synthetic and natural fibers. Rubber compounders use aniline-based antioxidants and accelerators to extend service life in tires and industrial belts for heavy machinery. In flame retardant formulations, aniline derivatives are incorporated into polymer matrices for wire, cable, and construction applications requiring fire performance compliance. This ensures safety across various industrial sectors. Aniline is supplied as a clear to pale yellow liquid in bulk quantities, typically in drums, IBCs, and ISO tank containers. Technical grade is the dominant commercial specification for most buyers. Purity levels are generally at 99% or higher for standard industrial use. Pharmaceutical-grade material is also available where aniline is required as a specified impurity reference standard for laboratory testing. Contact us for supply of Aniline Request Quote

Other Names (Synonyms)

Trimethoprim specified impurity K | Kyanol | Huile d'aniline | Fentanyl impurity F | D'Aniline | Cyanol | Blue Oil | Benzidam

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-6.0 °C
Boiling Point184.1 °C
Density1.0217 g/cm³ @ Temp: 20 °C
Flash Point76 °C
AppearanceAniline is a clear, colorless, oily liquid that darkens on exposure to light
with a characteristic amine-like odor.
ColorAPHA: ≤250
OdorSweet, amine-like odor detectable at 0.6 to 10 ppm
FormLiquid
Water Solubility36 g/L (20 ºC)
Vapor Pressure0.7 mm Hg ( 25 °C)
Refractive Indexn 20/D 1.586(lit.)
pH8.8 (36g/l, H2O, 20℃)
Log P0.900

Safety & Handling

Danger
GHS05· CorrosiveGHS06· ToxicGHS08· Health HazardGHS09· EnvironmentGHS07· Irritant

Hazard Statements

H227Combustible liquid
H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H319Causes serious eye irritation
H330Fatal if inhaled
H331Toxic if inhaled
H332Harmful if inhaled
H341Suspected of causing genetic defects
H350May cause cancer
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects H301+H311+
H331Toxic if swallowed, in contact with skin or if inhaled

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P262Do not get in eyes, on skin, or on clothing.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P272Contaminated work clothing should not be allowed out of the workplace.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P284In case of inadequate ventilation wear respiratory protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P318IF exposed or concerned, get medical advice.
P319Get medical advice/attention if you feel unwell.
P320Specific treatment is urgent (see … on this label).
P321Specific treatment (see … on this label).
P330Rinse mouth.
P391Collect spillage.
P403Store in a well-ventilated place.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off immediately all contaminated clothing and wash it before reuse.
P364Take off contaminated clothing and wash it before reuse.
P378Use … for extinction.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29214110
UN Number1547
ADR Class6.1
Packing GroupII
Storage Class6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany)2